CN103894454A - Ultra-fine tube straightening machine - Google Patents
Ultra-fine tube straightening machine Download PDFInfo
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- CN103894454A CN103894454A CN201410150551.6A CN201410150551A CN103894454A CN 103894454 A CN103894454 A CN 103894454A CN 201410150551 A CN201410150551 A CN 201410150551A CN 103894454 A CN103894454 A CN 103894454A
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- smoothing roll
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Abstract
The invention discloses an ultra-fine tube straightening machine comprising a power system, a drive system, a straightening machine main engine and a feeding device, five pairs of straightening rolls arranged symmetrically in the vertical direction in the 2-2 (10) graph, the distances between the rolls are equal, and all the straightening rolls are in a hyperbolic curve inflection type. A differential spiral structure is adopted for pressing the straightening rolls downward or upwards, and the angle is adjusted through driving of a threaded rod gear and a gear;according to locking and balancing, a threaded rod is adopted for pushing a moving sliding block to be matched with a fixing frame, according to the drive system, a speed reducer is adopted to be connected with a distribution box through a gear, and a hand wheel rotating mechanism is adopted for the feeding device. A power source of the straightening machine is from a frequency conversion motor, and the straightening speed is adjusted in a stepless mode. Ultra-fine tubes with the diameter of 1.5 mm-3 mm and the wall thickness of 0.15 mm-0.3 mm can be straightened, and the straightening precision is locally 0.1 mm/m and integrally 0.3 mm/m. The ultra-fine tube straightening machine is mainly used for straightening stainless steel capillary tubes and can straighten capillary tubes made of other materials.
Description
Technical field
The invention belongs to field of mechanical technique, relate generally to a kind of tube straightener for pipe, be specifically related to a kind of high-accuracy straightening machine of ultra-fine tubing, be especially suitable for the aligning of Stainless Steel Capillary tubing.
Background technology
More and more higher to the required precision of ultra-fine tubing in Aero-Space and precision instrument, and common ultra-fine tubing is due to factors such as processing, transport and placements, the precision of tubing all can be subject to impact in various degree, makes tubing occur the defects such as bending, distortion.Because ultra-fine tubing there will be above-mentioned defect before use, align therefore tackle in use ultra-fine pipe, to meet its requirement in practice.Increasing in the face of the demand of the ultra-fine tubing of high accuracy, the ultra-fine tube straightener for pipe of Design and manufacture is essential.China's straightener type and various in style, can meet the bar aligning requirement of most of diameters, but ultra-fine tube straightener for pipe still belongs to blank in China, due to the uncertainty of ultra-fine pipe aligning straightening process parameter in aligning process, cannot obtain reliable press-bending amount and flattening amount by production practices, therefore the technological parameter of aligning is the difficult point that manufactures and designs straightener.
Summary of the invention
The present invention is intended to the deficiency to ultra-fine tube straightener for pipe research for China, a kind of ultra-fine tube straightener for pipe is provided, be specially adapted to the aligning of Stainless Steel Capillary tubing, the diameter range of aligning tubing is φ 1.5mm-φ 3mm, wall thickness is 0.15mm-0.3mm, last flattening precision can reach local 0.1mm/m, overall 0.3mm/m.
The present invention's design is achieved through the following technical solutions: a kind of ultra-fine tube straightener for pipe, comprise dynamical system, transmission system, straightener main frame, feeding device, described straightener main frame comprises smoothing roll roller system, smoothing roll presses or screwdown gear, straightening roll angle regulating device, smoothing roll locking balanced controls, described straightener main frame adopts 2-2(10) totally 5 pairs of smoothing rolls that are arranged symmetrically with up and down, roll spacing between each roller equates, the roll shape of each smoothing roll is hyperbola recurvation roll shape, and aligning speed is adopted to stepless speed regulation.
Described each be 40mm to the roll spacing of smoothing roll, smoothing roll roller waist diameter is 15mm, smoothing roll length is 22mm.
Described smoothing roll roller is to adopt oscillating bearing to support smoothing roll structure, its support of bearing is fixed on smoothing roll bearing, the mode of moving about in fixing one end, fixing employing one end of described oscillating bearing, inner ring is fixed by the shaft shoulder of smoothing roll axle head on one side, the other end is fixed by nut, one end, outer ring is fixed by the support of bearing, and another side is fixed by balance nut.
Described smoothing roll presses or screwdown gear adopts screw differential structure, the screw rod being directly connected with smoothing roll bearing adopts ball-screw, the screw flight being connected with swingle adopts 30 ° of trapezoidal threads, the pitch of trapezoidal thread adopts 1.25mm, the pitch of described ball-screw adopts 1mm, by screw differential structure, in the time that the screw rod of manually controlling rotates a circle, smoothing roll can move up or down 0.25mm.
Described straightening roll angle regulating device adopts gear on worm to coordinate with gear, described number of threads gets 1, the gear number of teeth coordinating with worm screw is 19, the number of teeth of the roller gear on angular adjustment apparatus is 17, the gear number of teeth on smoothing roll bearing is 51, and the rotate a circle angle of smoothing roll rotation of worm screw is 6.3 °.
Described locking balanced controls adopt screw rod promotion moving slider to coordinate with fixed mount, and for the fixing and balance to smoothing roll bearing, described fixed mount is semi-circular, and described moving slider is arc surfaced.
Described transmission adopted decelerator and distributor box are used in combination, and described decelerator is connected by gear with distributor box.
Described feeding device adopts hand wheel rotating mechanism, this hand wheel rotating mechanism is provided with around two feeding tubes that rotate transverse axis rotation, can, when a tubing is aligned, another root tubing be sent in feeding tube, comparing common feeding device efficiency can double.
The invention has the beneficial effects as follows: moving up and down of smoothing roll adopts differential screw structure, and adjustment precision is 0.0025mm required required precision can reach smoothing roll and move up and down time; The angle adjustment of smoothing roll adopts gear on worm to coordinate with gear drive, and adjustment precision is 0.315 °, the tubing that can realize different tube diameters in aligning process with the contacting completely of smoothing roll; Adopt ten roller arrangements, can make the recurvation number of times of tubing increase, reach the requirement of flattening precision; Smoothing roll roller curve is hyperbola recurvation roll shape, has increased the contact area of smoothing roll and tubing, effectively raises flattening precision, and last flattening precision can reach local 0.1mm/m, overall 0.3mm/m; Aligning speed is adopted to stepless speed regulation, can solve straightening quality and the contradiction of aligning efficiency, can under the prerequisite that ensures straightening quality, improve aligning efficiency.
Brief description of the drawings
Fig. 1 is profile schematic diagram of the present invention.
Fig. 2 is straightener main frame schematic diagram of the present invention.
Fig. 3 is that to cut rear single smoothing roll roller open be two sides perspective view to straightener main frame of the present invention.
Fig. 4 is that smoothing roll roller of the present invention is assembling schematic diagram.
Fig. 5 is smoothing roll locking balanced controls schematic diagram of the present invention.
Fig. 6 is straightening roll angle regulating device schematic diagram of the present invention.
Fig. 7 is smoothing roll base of the present invention and pressuring upper device connection diagram.
Fig. 8 is smoothing roll pressuring upper device schematic diagram of the present invention.
Fig. 9 is transmission device cross-sectional schematic of the present invention.
Figure 10 is feeding device schematic diagram of the present invention.
In figure: 1, 5 variable-frequency motors, 2, 4 transmission systems, 3, straightener main frame, 6, efferent duct, 7, fuselage, 8, front side cover plate, 9, locking nut, 10, side cover plate, 11, lock-screw, 12, input pipe, 13, smoothing roll roller system, 14, frame, 15, locking balanced controls, 16, angular adjustment apparatus, 17, pressuring upper device, 18, crisscross screw, 19, roller is support, 20, locking balanced controls connecting plate, 21, trip bolt, 22, angular adjustment apparatus connecting plate, 23, trip bolt, 24, pressuring upper device connecting plate, 25, trip bolt, 26, convex-concave contiguous block, 27, attachment screw, 28, swingle, 29, smoothing roll bearing, 30, bolt, 31, the support of bearing, 32, balance nut, 33, hold-down nut, 34, oscillating bearing, 35, smoothing roll, 36, the support of bearing, 37, oscillating bearing, 38, hold-down nut, 39, hex nut, 40, moving slider, 41, screw, 42, fix to clamp semi-ring, 43, screw, 44, locking balanced controls connecting plate, 45, bolt, 46, shell body, 47, gear, 48, connecting rod, 49, screw, 50, worm screw, 51, top cover, 52, roller gear, 53, screw, 54, shaft end ring, 55, angular contact ball bearing, 56, ball-screw, 57, roller gear, 58, soket head cap screw, 59, feed screw nut, 60, bottom nut, 61, differential screw arbor, 62, hold-down nut, 63, screw, 64, rotary screw, 65, decelerator, 66, antinose-dive leg, 67, connect gear, 68, the support of bearing, 69, transfer case, 70, rotate transverse axis, 71, bearing block, 72, rotate handwheel, 73, bearing block bracing frame, 74, underframe, 75, feeding tube, 76, feeding tube.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail:
Referring to Fig. 1-3, straightener of the present invention mainly comprises dynamical system, transmission system, straightener main frame, dynamical system power source is from variable-frequency motor 1,5, transmission system 2,4 is mainly made up of decelerator and distributor box, straightener main frame 3 mainly by smoothing roll roller be 13, angular adjustment apparatus 15, the annex that presses on (depressing) device 17, locking balanced controls 16, fuselage 7 and fuselage form.
Referring to Fig. 2, input pipe 12 provides support for tubing enters straightener, efferent duct 6 provides support for tubing leaves straightener, prevent that secondary is subject to curved, fuselage 7 connects and supports for straightener main frame each several part provides, and front side cover plate 8 is adjusted angle device and locking device swingle for straightener main frame and provided support, and side cover plate 10 is that efferent duct 6, input pipe 12 provide support, lock-screw 11 is mainly fixing input pipe and efferent duct, and locking nut 9 can fixation side baffle plate after side shield moves.
Referring to Fig. 4, smoothing roll bearing 29 is mainly other parts in roller system supporting is provided, and tail end presses (depressing) device and be connected with adjustment angle device with adjustment, plays a part under the company of holding; The effect of bolt and nut 30,39 is that the support of bearing 31,36 is fixed on above smoothing roll bearing 29; The mode of moving about in fixing one end, fixing employing one end of oscillating bearing 34,37, inner ring is fixed by the shaft shoulder of smoothing roll axle head on one side, and the other end is fixing by nut 33,38, and one end, outer ring is fixing by the support of bearing 31,36, and another side is fixed by balance nut 32.
Referring to Fig. 5, retaining mechanism is not only simple, and volume is little, and can provide certain clamping force to make bearing seat keep stable, directly contacts with bearing seat therefore use for reference micrometer structural design cambered surface slide block.Semi-ring 42 is fixed on connecting bottom board 44 by screw 41,43, and swivel bolt 45 can promote moving slider 40 forward-reverses, in the time that moving slider 40 moves forward and semi-ring 42 actings in conjunction clamp smoothing roll bearings, realize the fixing and balance to smoothing roll bearing.
Referring to Fig. 6, screw 53,49 is fixed on gear 47,52 on connecting rod 48, shell body 46 is sealed gear 47 and worm screw 50 with top cover 51,50 numbers of worm screw are chosen as 1, gear 47 numbers of teeth are 19, the number of teeth of roller gear 52 is 17, the gear number of teeth on smoothing roll bearing is 51, the rotate a circle angle of smoothing roll bearing rotation of worm screw 50 is 6.3 °, the circumference of the swingle being connected with worm screw 50 is equally divided into 20 parts, when a scale of every rotation, the angle of smoothing roll rotation is 0.315 °, can meet the precision of angle adjustment completely.
Referring to Fig. 6-7, inner ring one end of angular contact ball bearing 55 is fixed by the shaft shoulder of ball-screw 56, and the other end is fixed by shaft end ring 54, and outer ring is fixing by smoothing roll bearing 29 and roller gear 57; Roller gear 57 is fixed on smoothing roll bearing by screw 58, by with angular adjustment apparatus in gear coordinate and realize angle adjustment to smoothing roll.
Referring to Fig. 8, press (depressing) device and realize the movement of smoothing roll by differential screw structure, feed screw nut 59, differential screw arbor 61 and rotary screw 64 form the mobile screw in differential screw device by screw 63, ball-screw 56 is connected with smoothing roll bearing, hold-down nut 62, ball-screw 56 and mobile screw have formed differential screw structure like this, finally control moving up and down of smoothing roll.Acting as of bottom nut 60 prevents that leading screw from departing from feed screw nut.
Referring to Fig. 9, in drive system structure, due to the output shaft of decelerator 65 and the power shaft diameter of axle of distributor box 69 less, therefore replace shaft coupling by gear transmission between decelerator and distributor box, meanwhile, travelling gear 67 can also play the operation of flywheel, reaches the effect of energy storage.Travelling gear 67 is fixed on support 66 by bearing spider 68, and decelerator 65 utilizes bolt to be fixed on support 66 with distributor box 69.
Referring to Figure 10, the effect of feeding device is to carry tubing for straightener, prevents that the afterbody of tubing is damaged in aligning process, and feeding manner is manual transmission.When a ultra-fine tubing enters into after straightener completely, rotate handwheel 72 and drive feeding tube 75,76 to rotate around rotating transverse axis 70, bearing block 71 provides bearing supporting for rotating transverse axis 70, and tumbler is fixed on underframe 74 by bearing block bracing frame 73.Light-wall pipe in a feeding tube is by being manually sent to after straightener, another root light-wall pipe is sent in feeding tube, and in the process of aligning at a light-wall pipe like this, the material loading work of another root light-wall pipe is also carried out, can save the plenty of time, increase work efficiency.
Claims (10)
1. a ultra-fine tube straightener for pipe, comprise dynamical system, transmission system, straightener main frame, feeding device, described straightener main frame comprises smoothing roll roller system, smoothing roll presses or screwdown gear, straightening roll angle regulating device, smoothing roll locking balanced controls, it is characterized in that, described straightener main frame adopts 2-2(10) totally 5 pairs of smoothing rolls that are arranged symmetrically with up and down, roll spacing between each roller is equal, and the roll shape of each smoothing roll is hyperbola recurvation roll shape, and aligning speed is adopted to stepless speed regulation.
2. ultra-fine tube straightener for pipe according to claim 1, is characterized in that, described each be 40mm to the roll spacing of smoothing roll, smoothing roll roller waist diameter is 15mm, smoothing roll length is 22mm.
3. ultra-fine tube straightener for pipe according to claim 1, it is characterized in that, described smoothing roll roller is to adopt oscillating bearing to support smoothing roll structure, its support of bearing is fixed on smoothing roll bearing, the mode of moving about in fixing one end, fixing employing one end of described oscillating bearing, inner ring is fixed by the shaft shoulder of smoothing roll axle head on one side, and the other end is fixed by nut, one end, outer ring is fixed by the support of bearing, and another side is fixed by balance nut.
4. ultra-fine tube straightener for pipe according to claim 1, it is characterized in that, described smoothing roll presses or screwdown gear adopts screw differential structure, and the screw rod being directly connected with smoothing roll bearing adopts ball-screw, and the screw flight being connected with swingle adopts trapezoidal thread.
5. the ultra-fine tube straightener for pipe of stating according to claim 4, it is characterized in that, the described screw flight being connected with swingle adopts 30 ° of trapezoidal threads, the pitch of trapezoidal thread adopts 1.25mm, the pitch of described ball-screw adopts 1mm, by screw differential structure, in the time that the screw rod of manually controlling rotates a circle, smoothing roll can move up or down 0.25mm.
6. ultra-fine tube straightener for pipe according to claim 1, it is characterized in that, described straightening roll angle regulating device adopts gear on worm to coordinate with gear, described number of threads gets 1, the gear number of teeth coordinating with worm screw is 19, the number of teeth of the roller gear on angular adjustment apparatus is 17, and the gear number of teeth on smoothing roll bearing is 51, and the rotate a circle angle of smoothing roll rotation of worm screw is 6.3 °.
7. ultra-fine tube straightener for pipe according to claim 1, is characterized in that, described locking balanced controls adopt screw rod promotion moving slider to coordinate with fixed mount, for the fixing and balance to smoothing roll bearing.
8. ultra-fine tube straightener for pipe according to claim 7, is characterized in that, described fixed mount is semi-circular, and described moving slider is arc surfaced.
9. ultra-fine tube straightener for pipe according to claim 1, is characterized in that, described transmission adopted decelerator and distributor box are used in combination, and described decelerator is connected by gear with distributor box.
10. ultra-fine tube straightener for pipe according to claim 1, it is characterized in that, described feeding device adopts hand wheel rotating mechanism, and this hand wheel rotating mechanism is provided with around two feeding tubes that rotate transverse axis rotation, can, when a tubing is aligned, another root tubing be sent in feeding tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150551.6A CN103894454B (en) | 2014-04-15 | 2014-04-15 | Ultra-fine tube straightener for pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150551.6A CN103894454B (en) | 2014-04-15 | 2014-04-15 | Ultra-fine tube straightener for pipe |
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| Publication Number | Publication Date |
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| CN103894454A true CN103894454A (en) | 2014-07-02 |
| CN103894454B CN103894454B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410150551.6A Expired - Fee Related CN103894454B (en) | 2014-04-15 | 2014-04-15 | Ultra-fine tube straightener for pipe |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0054605A2 (en) * | 1980-12-20 | 1982-06-30 | Th. Kieserling & Albrecht GmbH & Co. | Straightening machine with six or more angularly arranged straightening rolls |
| JPH11290947A (en) * | 1998-04-15 | 1999-10-26 | Showa Alum Corp | Straightening method for round pipe or round bar |
| CN101077511A (en) * | 2007-06-27 | 2007-11-28 | 杨泽 | A plurality of roller build-up curve roller type steel tube flattening machine |
| CN201195173Y (en) * | 2008-02-03 | 2009-02-18 | 沈阳银捷机械装备制造有限责任公司 | High-accuracy flattener for alloy round timber |
| CN201324776Y (en) * | 2008-12-26 | 2009-10-14 | 佛山市顺德区冠邦科技有限公司 | Straightener with planetary inclined rollers and rotating hub |
| CN201324775Y (en) * | 2008-12-26 | 2009-10-14 | 佛山市顺德区冠邦科技有限公司 | Spar straightening device with multiple rotating hubs rotating positively and reversely |
| WO2011151995A1 (en) * | 2010-06-04 | 2011-12-08 | 住友金属工業株式会社 | Method for suppressing surface indentation flaw in element tube for seamless steel tube |
| CN203253772U (en) * | 2013-04-12 | 2013-10-30 | 南通恒鼎重型机床有限公司 | Full drive leveller |
| CN203484446U (en) * | 2013-09-26 | 2014-03-19 | 福建乾达重型机械有限公司 | Worm gear screw rod lifting structure |
-
2014
- 2014-04-15 CN CN201410150551.6A patent/CN103894454B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0054605A2 (en) * | 1980-12-20 | 1982-06-30 | Th. Kieserling & Albrecht GmbH & Co. | Straightening machine with six or more angularly arranged straightening rolls |
| JPH11290947A (en) * | 1998-04-15 | 1999-10-26 | Showa Alum Corp | Straightening method for round pipe or round bar |
| CN101077511A (en) * | 2007-06-27 | 2007-11-28 | 杨泽 | A plurality of roller build-up curve roller type steel tube flattening machine |
| CN201195173Y (en) * | 2008-02-03 | 2009-02-18 | 沈阳银捷机械装备制造有限责任公司 | High-accuracy flattener for alloy round timber |
| CN201324776Y (en) * | 2008-12-26 | 2009-10-14 | 佛山市顺德区冠邦科技有限公司 | Straightener with planetary inclined rollers and rotating hub |
| CN201324775Y (en) * | 2008-12-26 | 2009-10-14 | 佛山市顺德区冠邦科技有限公司 | Spar straightening device with multiple rotating hubs rotating positively and reversely |
| WO2011151995A1 (en) * | 2010-06-04 | 2011-12-08 | 住友金属工業株式会社 | Method for suppressing surface indentation flaw in element tube for seamless steel tube |
| CN203253772U (en) * | 2013-04-12 | 2013-10-30 | 南通恒鼎重型机床有限公司 | Full drive leveller |
| CN203484446U (en) * | 2013-09-26 | 2014-03-19 | 福建乾达重型机械有限公司 | Worm gear screw rod lifting structure |
Non-Patent Citations (1)
| Title |
|---|
| 李俊峰等: "斜辊圆材矫直机矫直辊中心找正的改进设计", 《世界有色金属》, no. 9, 30 September 2010 (2010-09-30), pages 49 - 1 * |
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| CN103894454B (en) | 2016-01-20 |
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